Heavy Duty Four Bolt Flange Block With Double Setscrew Locking Collar Rexnord ZFS5107 Cast Iron Housing Self Aligning Bearing Unit Relubricatable With Spherical Roller Insert For 1-7/16 Inch Shafts 3-23/32 Inch Bolt Spacing 5-1/4 Inch Bolt Circle
✔️ Four-bolt flange, 1-7/16 in bore, 3-23/32 in bolt spacing
This heavy-duty flange block houses a spherical roller bearing insert inside a rugged cast-iron housing, designed for reliable mounting on rotating shafts in mining, construction, and material-handling equipment. Relubricatable and built for rugged service, it supports radial and axial loads with ease.
✅ Four-bolt cast-iron housing with spherical roller insert
✅ Relubricatable one-piece housing flange block for maximum strength
✅ Double-set screw locking collars secure the shaft
✅ Misalignment tolerance up to 4 degrees with radial and thrust loads
✅ Metal clearance seal enables high-speed, high-temperature operation
✅ Dynamic load rating 19,860 lbf; static load rating 20,900 lbf
💡 What is a pillow block bearing used for? A handy, common solution for supporting rotating shafts in machines, conveyors, and material handling lines. - Supports radial and axial loads with a spherical roller insert - Enables easy alignment and lubrication in tough environments - Ideal for mining, construction, and packaging lines